* BREAKING CHANGE: The Services_JSON class has been removed; if necessary,
be sure to upgrade affected extensions at the same time (e.g. Collection).
* Calling Linker methods using a skin will now output deprecation warnings.
* BREAKING CHANGE: The Services_JSON class has been removed; if necessary,
be sure to upgrade affected extensions at the same time (e.g. Collection).
* Calling Linker methods using a skin will now output deprecation warnings.